Product Overview
Get rid of oil leaks from the harness connector with our replacement internal wiring harness seal for the Allison LCT and GM 4T65-E. This 20-way pin seal is a direct replacement for the hard to find OE seals and includes a replacement O-ring for the connector body and new connector body.
Key Benefits
- Allison LCT1000 (MY2001-2019)
- Allison LCT2000
- GM 4T65-E
- Fits OE internal harness P/N’s: 29545307, 29541371, 29539792, 29543336
Product Details
Warranty:
- 6 Month Limited Parts Warranty
- Brand: Fleece Performance
- Manufacturer SKU: FPE-HAR-GM-LCT-SEAL
- UPC: 670875719149
- Product Type: Wiring Harness
- Color: Black
- Weight: 2 lb
- Package Dimensions: 12 × 4 × 4 in
- Warranty: 6 Month Limited Warranty
Installation Resources
Vehicle Fitment
Fits Allison 1000/2000 transmissions (model years 2001–2019) and GM 4T65-E applications. Fleece lists GM Silverado/Sierra 2500/3500 6.6L Duramax applications from 2001–2019, including the 2004.5 LLY and 2007.5 LMM transitions. Match the transmission and OE internal harness before ordering. Fits OE harness numbers 29545307, 29541371, 29539792, and 29543336. See Fleece fitment details.











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